In this chapter, we're going to explore the role of the Search service in SharePoint Online. As organizations experience more data proliferation (documents, spreadsheets, images, databases, and other sorts of content), keeping a list of bookmarks or memorizing URLs becomes a daunting task. The role of Search in the SharePoint Online environment is to help users locate the resources they need quickly and efficiently.
SharePoint Search works by crawling lists and libraries, indexing content, and adding site columns and values to the search index. Once inside the search index, the site columns are mapped to managed properties. When users perform searches, the query is sent to the search index, which then returns the results to the search results page.
SharePoint Online search has two different search experiences: one for classic SharePoint and...